diff options
Diffstat (limited to 'rts/gmp/mpz/abs.c')
-rw-r--r-- | rts/gmp/mpz/abs.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/rts/gmp/mpz/abs.c b/rts/gmp/mpz/abs.c new file mode 100644 index 0000000000..0b5eab1ce6 --- /dev/null +++ b/rts/gmp/mpz/abs.c @@ -0,0 +1,51 @@ +/* mpz_abs(dst, src) -- Assign the absolute value of SRC to DST. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public +License for more details. + +You should have received a copy of the GNU Lesser General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_abs (mpz_ptr w, mpz_srcptr u) +#else +mpz_abs (w, u) + mpz_ptr w; + mpz_srcptr u; +#endif +{ + mp_ptr wp, up; + mp_size_t size; + + size = ABS (u->_mp_size); + + if (u != w) + { + if (w->_mp_alloc < size) + _mpz_realloc (w, size); + + wp = w->_mp_d; + up = u->_mp_d; + + MPN_COPY (wp, up, size); + } + + w->_mp_size = size; +} |